respiratory tract
English
![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Blausen_0872_UpperRespiratorySystem.png/220px-Blausen_0872_UpperRespiratorySystem.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/df/Illu_quiz_lung05.jpg/220px-Illu_quiz_lung05.jpg)
2. Mainstem bronchus
3. Lobar bronchus
4. Segmental bronchus
5. Bronchiole
6. Alveolar duct
7. Alveolus
Noun
respiratory tract (plural respiratory tracts)
- (anatomy) The passages, divided into an upper and a lower part, through which air enters and leaves the body, including the mouth, nose and nasal passages, pharynx, larynx, trachea, bronchi and conducting bronchioles, sometimes further including the respiratory bronchioles, alveolar ducts and alveoli.
Translations
air passages of the body
|